Topic 1
What is the 3rd (middle) layer of the atmosphere?
Mesosphere
What is the difference between fundamental and realised niche?
The fundamental niche describes the full range of conditions and resources in which a species could survive and reproduce.
The realized niche describes the actual conditions and resources in which a species exists due to biotic interactions.
What is species diversity?
The variety and abundance of different species within a specific geographical area or ecosystem.
When does thermal stratification occur?
1. Sunlight heats the upper layer of water and surface movements create a layer with a fairly consistent temperature.
2. Water movement below the surface mixed layer is reduced due to the calm weather and the sun continues to warm the water. Sunlight penetration declines with depth resulting in a temperature variation from the top to the bottom of the thermocline.
What continent is Djibouti in?
Africa
What are the four main environmental systems?
Lithosphere, atmosphere, hydrosphere, biosphere
What do plants intake and expel during photosynthesis?
water (H2O) and carbon dioxide (CO2) to produce oxygen (O2) and glucose (C6H12O6)
What does IGO stand for?
Inter-governmental organisation
What are three reasons why is water important?
What continent is Turkmenistan in?
Asia
What is the second law of thermodynamics?
The entropy of an isolated system not in equilibrium will tend to increase over time.
What are the three forms of ecosystem models? (food ___)
web, chain, pyramid
What does GO stand for?
Governmental organisation
What are the three types of aquatic pollution?
What continent is Paraguay in?
South America
What is chronic pollution?
When pollution is persistent and perhaps recurrent.
What does POP stand for?
persistent organic pollutant
What does NGO stand for?
Non-governmental organisation
What is organic pollution?
sewage effluent, farm runoff and waste from the food and drink industry (e.g. diaries, food processing, brewing and distilleries).
What continent is Serbia in?
Europe
What is natural capital?
Natural resources that can supply a natural income of goods or services.
What is the equation to find NPP?
GPP-R (gross primary productivity - respiratory losses)
What is an example of a keystone species?
Shark, sea otter, hummingbird, honey bee etc.
What is agricultural run-off?
Run-off from farms may contain pesticides, fertilizers, manure, slurry or silage, particularly where intensive farming practices are used.
Where is Mamma Mia set?
Greece